RE: Thorpe F-20 build
Put the 3 mm carbon pins in without glue and pushed them so they just held the bulkhead in place. Then zapped the floor to it with only a few drops. Pulled the floor and bulkhead off together, removed the pins, then zapped all the way around the joint. Drilled the pin holes into the floor using the hole in the bulkhead as a guide. Put a drop of medium CA in the hole first then quickly pushed the pin in place. Did the same thing to the other pin. Then cut the pins to equal length with a small hand saw. Tested the fit and it is very good.